By and large the minds of the ridiculous can't be changed. It's their flock we're talking to. But even the ridiculous change under ridicule some respond by getting more ridiculous (and those are the ones who could never be swayed even by the politest methods), but others accumulate shame until they see the error of their ways (I've met many ex-evangelicals who have told me exactly that). Thus, ridicule converts the convertible and marginalizes the untouchable. There is no more effective strategy in a culture war.